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Fact or Fiction

 
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  #8  
Old 10-06-2009, 10:01 AM
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Re: Fact or Fiction

It may or may not be a fact, BUT it is definitely FRICTION

edge.
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  #9  
Old 10-06-2009, 12:11 PM
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Re: Fact or Fiction

Never was sure, have heard ALOT of differnt veiws, I think I will keep shooting them.
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  #10  
Old 10-08-2009, 12:44 AM
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Re: Fact or Fiction

All else being equal,bearing surface beats up barrels more than ANYTHING else.
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  #11  
Old 10-08-2009, 07:02 AM
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Re: Fact or Fiction

Quote:
Originally Posted by edge View Post
It may or may not be a fact, BUT it is definitely FRICTION

This is absolutely false.
Barrels NEVER wear out. They can be rechambered to no end.

Some call it when the lands move beyond their tune. Lands are a torch cut point. It might even be stretched to suggest they wear. Especially with very inefficient cartridges(like a 30-06) which blasts the lands at their hottest with a bunch of unburned powder chasing the bullet. Overbore cartridges are like an extra shot of oxygen..
Either way, they don't last long.

But what ultimately kills a barrel(even beyond loose expectations) is carbon constriction. This is similar in affect to a loose bore at the muzzle or a bad crown.
When a bore constricts due to carbon(or carbon ring), so must the bullet -right there.

Now you can allow the throat to cool a bit between shots, and greatly extend life.
But that life will not continue through many rechamberings unless you stay on top of carbon. Otherwise it works it's way into the metal surface, where eventually it can no longer be removed(without ruining the barrel).
That's when a barrel is officially dead..

Those BR shooters brushing and JB pasting, love their barrels. They hope their barrels will love them.

Last edited by Mikecr; 10-08-2009 at 07:12 AM.
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  #12  
Old 10-08-2009, 10:03 AM
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Re: Fact or Fiction

Quote:
Originally Posted by Mikecr View Post
This is absolutely false.


SNIP.
OK, first my post was a bit of a play on words, but wear is caused by FRICTION whether you believe it or not!

edge.
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  #13  
Old 10-09-2009, 09:06 AM
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Re: Fact or Fiction

I'm like most, I have never seen any conclusive test that would prove one way or the other.

And the only experience that I have with boat tailed bullets is in my 308 match rifle that
has 20,000+ rounds through it and it will still shoot sub 1/2 MOA groups and has never
seen a flat base bullet.

So my gut feeling is , There is no difference.

J E CUSTOM
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  #14  
Old 10-10-2009, 05:21 AM
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Re: Fact or Fiction

In this shooting business everybody has a "theory" based not on science, but on what that individual "thinks" could be possible. Many myths abound but are untrue. I doubt that BT bullets would cause throat wear, but I cannot prove it. Most certainly, a small diameter bullet in a large capacity case with slow powder will prematurely erode the bore. Bryan Litz has it right: What difference does it make if you get your best performance from BT bullets?
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